Credit

• Arranged By - Utada Hikaru (1, 3, 9, 11, 13)
• Arranged By, Keyboards, Programmed By - Kei Kawano (3, 8, 10)
• Arranged By, Keyboards, Programmed By - Shinichiro Murayama (4, 6, 12)
• Coordinator - Michael T. Martin
• Directed By - Hidenobu Okita
• Engineer [Assistant - Bunkamura Studio] - Atsushi Matsui
• Engineer [Assistant - Bunkamura Studio] - Kazutaka Mori
• Engineer [Assistant - Electric Lady Studios] - Mike Tocci
• Engineer [Assistant - Electric Lady Studios] - Shinobu Mitsuoka
• Engineer [Assistant - Flyte Tyme Studios] - Xavier Smith
• Engineer [Assistant - Studio Groove] - Sayaka Noma
• Engineer [Assistant - Studio Terra] - Akira Iizuka
• Engineer [Assistant - Studio Terra] - Ken Kobayashi (5)
• Engineer [Assistant - The Hit Factory] - Claudius Mittendorfer
• Engineer [Assistant - The Hit Factory] - Kevin Scott
• Engineer [Assistant - The Hit Factory] - Michael McCoy
• Executive Producer - Junya Nakasone
• Executive Producer - Masaaki Saito
• Executive Producer - Soichi Kobayashi
• Executive Producer - Yoshiaki Sanada
• Keyboards [Additional] - Philippe Saisse (2, 4, 6)
• Mastered By - Ted Jensen
• Mixed By - Goh Hotoda (2 to 6, 8 to 10, 12, 13)
• Producer - Akira Miyake
• Producer - Teruzane Sking Utada (2 to 6, 8 to 10, 12)
• Producer [Assistant] - Ra Junko Utada (2 to 6, 8 to 10, 12)
• Programmed By [Additional] - Yutaka Nakamura (2, 4, 6)
• Recorded By - Goh Hotoda (2, 4, 9, 10)
• Recorded By - Masaaki Ugajin (2, 3, 5, 8, 12, 13)
• Recorded By - Syuichi Watanabe
• Recorded By [Additional] - Goh Hotoda (3, 5, 6)
• Songwriter - Utada Hikaru (1 to 4, 6 to 10, 12, 13)
• Synthesizer [Programming] - Kazuhide Tsunemi (3, 10, 13)
• Vocals - Utada Hikaru